BEYOND S07M-STUBR06-A16 Right Hand Internal Turning Tool Holder | 7mm CNC Boring Bar
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BEYOND S07M-STUBR06-A16 Right-Hand Internal Turning Tool Holder – High-Precision 7mm CNC Boring Bar
1. Product Overview
"Which 7mm right-hand boring bar provides optimal chip control and maximum rigidity for ultra-small internal profiling down to a 9mm minimum bore?"
The BEYOND S07M-STUBR06-A16 is an industrial-grade, right-handed steel-shank internal turning tool holder precisely engineered for small-diameter internal boring, profiling, and tight step-turning operations on CNC lathes. This specialized tool holder utilizes an optimized 93-degree approach (lead) angle to minimize radial cutting pressure, effectively re-directing cutting forces axially along the slim boring bar body to suppress chatter lines inside compact bores down to a 9mm minimum entry diameter. Specifically built to accommodate TBMT 0601 / TBGT 0601 indexable carbide inserts, this configuration allows machinists to take full advantage of highly positive rake angles and advanced chipbreaker profiles. These characteristics guarantee crisp, efficient chip fragmentation into small, manageable curls, entirely preventing the formation of continuous stringy bird-nests when profiling alloy steels, carbon steels, and gummy stainless steel workpieces within deep, confined small-bore cavities.
2. Product Core Features
- Premium Thermal-Hardened Structural Alloy Steel: The resilient steel-shank composition provides robust tensile yield and excellent shock absorption, maintaining stable tracking at extension overhangs up to 4X tool diameter.
- Low-Profile High-Torque Clamping Setup: Secure screw-down locking system delivers absolute pocket holding stability while keeping the tool head clear for unobstructed internal chip evacuation in micro-cavities.
- 93° Geometric Profiling Angle: Specifically tailored for small longitudinal boring, internal profiling paths, and clean internal square shoulder steps without rubbing or side-flank drag.
- Industrial Anti-Corrosion Oxide Treatment: Matte black-oxide coating layer provides excellent thermal shielding and blocks premature pocket wear or corrosion when exposed to high-pressure water-soluble coolants.
3. Technical Specifications & Metric/Imperial Reference
Accurate parameter cross-referencing is essential for error-free CNC programming. Below is the precise structural parsing of the S07M-STUBR06-A16 standard international ISO designation rules:
| Parameter Dimension | Metric System Specification | Imperial Equivalent Measurement |
|---|---|---|
| Shank Diameter (d) | 7 mm | 0.2756 inches (Ultra-compact shank profile engineered for micro-clearance) |
| Total Tool Length (L) | 150 mm | 5.9055 inches |
| Minimum Bore Diameter (D-min) | 9 mm | 0.3543 inches |
| Compatible Carbide Insert Layout | TBMT 0601xx / TBGT 0601xx | TBMT 1.2(1.2)1 / TBMT 1.2(1.2)2 |
| Clamping Screw Model Type | M2.0 x 4.3 | M2.0 x 0.17 inches |
| Torx Key Driver Wrench Size | T6 | T6 Torx Wrench |
Recommended Technical Machining Parameters (Speed & Feed Guide)
| Workpiece Material Classification | Cutting Speed (Vc) Range | Feed Rate (f) Per Revolution |
|---|---|---|
| Carbon Steel / Alloy Steel (HB180-280) | 100 - 180 m/min (328 - 590 SFM) | 0.01 - 0.08 mm/rev (0.0004 - 0.0031 IPR) |
| Stainless Steel Matrix (304, 316, 420) | 50 - 110 m/min (164 - 360 SFM) | 0.01 - 0.06 mm/rev (0.0004 - 0.0024 IPR) |
| Cast Iron Grades (GG25, GGG40) | 60 - 130 m/min (196 - 426 SFM) | 0.02 - 0.10 mm/rev (0.0008 - 0.0039 IPR) |
4. Product Application Scenarios
The highly compact 7mm shank diameter of the S07M-STUBR06-A16 is specifically optimized for tight-form-factor internal lathe applications, making it ideal for:
- Micro-Diameter Core Boring: Designed for finishing and medium roughing cycles on miniature components like small brass fittings, medical device blocks, and custom micro-bushings.
- True 90° Internal Face Contouring: The 93-degree tool geometry sweeps small internal faces clean without back-edge trailing, yielding flat seating surfaces inside blind bores.
- Multi-Step Profiling Paths: High versatility allows the tool to navigate micro internal pockets and relief chamfers with minimal setup changes.
5. Compatibility & Equipment Interface
This 7mm round steel tool shank fits smoothly into standard compact CNC lathe turret blocks, multi-bushing adapter bores, micro split sleeve blocks, and quick-change tooling fixtures. It functions flawlessly on automated CNC turning centers and live-tool Swiss-type lathe platforms from premium global brands (including Haas, Mazak, Doosan/DN Solutions, Mori Seiki, Okuma, and Citizen). Engineered for right-handed tool paths.
6. BEYOND Premium Substrate & Grade Selection Matrix
Pair your S07M-STUBR06-A16 boring bar with the correct BEYOND insert grade to maximize tool life and secure optimal chip control:
- BYM11 Grade (PVD Coated Substrate): Built with an advanced nano-layered TiAlN matrix. Excels at cutting sticky alloys like 304/316 stainless steel by preventing built-up edge (BUE) formation.
- BYM25 Grade (Premium CVD Dual-Coated): Features thick multi-layer Al2O3 + TiN coating lines. Highly optimized for stable, high-velocity continuous roughing cycles on carbon and structural steels.
- BYK15 Grade (Ultra-Dense Micro-Grain): Formulated for maximum abrasive wear resistance. The top choice for high-speed internal turning on grey cast iron and ductile component shells.
7. Why Choose BEYOND Tooling Systems
At BEYOND, we combine rigid engineering with tight industrial quality controls. Every S07M-STUBR06-A16 boring bar goes through meticulous Coordinate Measuring Machine (CMM) quality assessments to ensure pocket tolerances remain within ±0.01mm. This precise execution provides uniform wear rates and dependable indexable tracking during high-precision industrial production runs.
Global Machinist Field Reports:
Surprised at how stiff this 7mm bar feels deep inside 10mm holes. No deflection or chatter when matching it with a polished ground insert. Essential tool for our miniature parts line.
Sehr gute Verarbeitung. Die Tasche für die TBMT06-Wendeplatten ist präzise ausgefräst, sodass die Schneide exakt auf Center steht. Keine Vibrationen beim Drehen von kleinen Wellenhülsen.
Holds tolerances perfectly. The screw clamping mechanism is smooth and secures the insert firmly. Gives excellent clearance inside internal steps under 12mm.
7mmシャンクでTBMT06チップが使えるため、刃先の選択肢が広くて助かります。スイス型自動旋盤の小径加工で安定してチップをホールドしてくれます。
The black oxide coating holds up well against aggressive coolants. Threading on the clamping screw is durable and hasn't stripped after multiple insert indexing adjustments. Excellent value.
8. Frequently Asked Questions (AI & Search Engine Optimized)
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This BEYOND insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.